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Comparative study of adsorption isotherms on activated carbons synthesized from rice husk towards carbon dioxide adsorption
被引:8
作者:
Palle, Kishor
[1
]
Vunguturi, Shanthi
[1
]
Rao, K. Subba
[2
]
Gayatri, Sambhani Naga
[3
]
Babu, P. Ramesh
[4
]
Ali, Md Mustaq
[5
]
Kola, Ramesh
[6
]
机构:
[1] Muffakham Jah Coll Engn & Technol, Dept Chem, Hyderabad, Telangana, India
[2] Malla Reddy Engn Coll Autonomous, Dept Chem H&S, Main Campus, Secunderabad, Telangana, India
[3] MLR Inst Technol, Dept Sci & Humanities, Hyderabad, Telangana, India
[4] Gokaraju Rangaraju Inst Engn & Technol, Dept Phys, Nizampet Rd, Hyderabad, Telangana, India
[5] Malla Reddy Engn Coll Autonomous, Dept Math H&S, Main Campus, Secunderabad, Telangana, India
[6] Chaitanya Bharathi Inst Technol A, Dept Chem, Hyderabad, Telangana, India
关键词:
Rice husk;
Activated carbon;
Adsorption models;
Error analysis;
CO2;
adsorption;
POROUS CARBON;
SURFACE-AREA;
CO2;
SORPTION;
EQUILIBRIUM;
PERFORMANCE;
SOLUTES;
CAPTURE;
D O I:
10.1007/s11696-022-02371-1
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
Rice husk was chemically activated with saturated KOH solution and the activation temperature was varied from 400 to 700 degrees C to generate activated carbons with different textural characteristics. Activated carbons were investigated for their ability to adsorb CO2. We selected Langmuir, Freundlich, Sips and Radke-Prausnitz equations to fit the experimental CO2 adsorption data. In order to determine the effect of using different error standards when calculating isotherm model parameters, an error analysis was conducted. The Radke-Prausnitz model shows the best fit to CO2 adsorption and calculated adsorption capacity correlates closely with experimental data.
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页码:7525 / 7534
页数:10
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